Twenty years after the Decay, Hank Dermitt and his chimpanzee sidekick Burroughs are professional scavengers for a collective called High Town, digging through the ruins of Chicago to find every last drop of moisture as they defend themselves from those mutated survivors known as the Addled. But when Hank begins seeing beings made of multi-colored light, he quickly doubts his sanity. These ‘Prisms’ seems to be able to control the Addled, and are using them for some dark purpose. When Hank and Burroughs investigate, they uncover a conspiracy that will have grave consequences not just for High Town, but all of humanity. And their only hope for survival might just lay with an old enemy who wants to kill them even more than the Prisms do…